The term Atkinson cycle goes around a lot when talking about automotive engines. What does it mean? When did cars start using these engines?

Gasoline engines usually run on the Otto cycle, the standard four-stroke and two-stroke combustion process that has been powering humanity for a while now. Although engines typically rely on the "suck ...

This Otto vertical gas engine was originally inside the cellar of Boyd’s Drug Store, which was in Washington DC. It was used primarily in the 1890s by Dr George W. Boyd before being donated to the ...